TY  - RPRT
TI  - Monte Carlo studies of electron and photon transport at energies up to 1000 MeV 
AU  - Seltzer, Stephen M
AU  - Berger, Martin J
PY  - 1978
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 78-1534
DO  - 10.6028/NBS.IR.78-1534
ER  -